Filter product variable property structs
For each module, take the default product variable properties and
create a new type that contains only the properties that exist in
the current module. This will provide better errors when attemping
to set product variable properties that will never get used for
a module, and fixes errors when a module attempts to use a product
variable that also contains properties that don't apply to the
current module.
Fixes: 79249983
Test: TestProductVariables
Test: m checkbuild
Change-Id: I4dc24f7781b8ce798651cfc8bf3563005a92c13d
diff --git a/android/variable_test.go b/android/variable_test.go
index ce9ba54..c1910fe 100644
--- a/android/variable_test.go
+++ b/android/variable_test.go
@@ -16,7 +16,10 @@
import (
"reflect"
+ "strconv"
"testing"
+
+ "github.com/google/blueprint/proptools"
)
type printfIntoPropertyTestCase struct {
@@ -122,3 +125,111 @@
}
}
}
+
+type testProductVariableModule struct {
+ ModuleBase
+}
+
+func (m *testProductVariableModule) GenerateAndroidBuildActions(ctx ModuleContext) {
+}
+
+var testProductVariableProperties = struct {
+ Product_variables struct {
+ Eng struct {
+ Srcs []string
+ Cflags []string
+ }
+ }
+}{}
+
+func testProductVariableModuleFactoryFactory(props interface{}) func() Module {
+ return func() Module {
+ m := &testProductVariableModule{}
+ clonedProps := proptools.CloneProperties(reflect.ValueOf(props)).Interface()
+ m.AddProperties(clonedProps)
+
+ // Set a default variableProperties, this will be used as the input to the property struct filter
+ // for this test module.
+ m.variableProperties = testProductVariableProperties
+ InitAndroidModule(m)
+ return m
+ }
+}
+
+func TestProductVariables(t *testing.T) {
+ ctx := NewTestContext()
+ // A module type that has a srcs property but not a cflags property.
+ ctx.RegisterModuleType("module1", ModuleFactoryAdaptor(testProductVariableModuleFactoryFactory(struct {
+ Srcs []string
+ }{})))
+ // A module type that has a cflags property but not a srcs property.
+ ctx.RegisterModuleType("module2", ModuleFactoryAdaptor(testProductVariableModuleFactoryFactory(struct {
+ Cflags []string
+ }{})))
+ // A module type that does not have any properties that match product_variables.
+ ctx.RegisterModuleType("module3", ModuleFactoryAdaptor(testProductVariableModuleFactoryFactory(struct {
+ Foo []string
+ }{})))
+ ctx.PreDepsMutators(func(ctx RegisterMutatorsContext) {
+ ctx.BottomUp("variable", variableMutator).Parallel()
+ })
+
+ // Test that a module can use one product variable even if it doesn't have all the properties
+ // supported by that product variable.
+ bp := `
+ module1 {
+ name: "foo",
+ product_variables: {
+ eng: {
+ srcs: ["foo.c"],
+ },
+ },
+ }
+ module2 {
+ name: "bar",
+ product_variables: {
+ eng: {
+ cflags: ["-DBAR"],
+ },
+ },
+ }
+
+ module3 {
+ name: "baz",
+ }
+ `
+
+ mockFS := map[string][]byte{
+ "Android.bp": []byte(bp),
+ }
+
+ ctx.MockFileSystem(mockFS)
+
+ ctx.Register()
+
+ config := TestConfig(buildDir, nil)
+ config.TestProductVariables.Eng = proptools.BoolPtr(true)
+
+ _, errs := ctx.ParseFileList(".", []string{"Android.bp"})
+ FailIfErrored(t, errs)
+ _, errs = ctx.PrepareBuildActions(config)
+ FailIfErrored(t, errs)
+}
+
+func BenchmarkSliceToTypeArray(b *testing.B) {
+ for _, n := range []int{1, 2, 4, 8, 100} {
+ var propStructs []interface{}
+ for i := 0; i < n; i++ {
+ propStructs = append(propStructs, &struct {
+ A *string
+ B string
+ }{})
+
+ }
+ b.Run(strconv.Itoa(n), func(b *testing.B) {
+ for i := 0; i < b.N; i++ {
+ _ = sliceToTypeArray(propStructs)
+ }
+ })
+ }
+}